I like the frames backed by bigger pieces of wood. You could use scrapbook paper, stenciles, wrapping paper, or wall paper and modge podge it on. I also like the color coordination. Good ideas on how-to.
DIY - How to make a light box for photographing objects. Inexpensive household items (cardboard box) and craft store items (poster board, muslin) + a single light source using a daylight bulb (true white light).